J. Phys. II France
Volume 3, Numéro 10, October 1993
Page(s) 1455 - 1459
DOI: 10.1051/jp2:1993212
J. Phys. II France 3 (1993) 1455-1459

Scaling of megabase DNA undergoing gel electrophoresis

S. P. Obukhov1 and M. Rubinstein2

1  Department of Physics, University of Florida, Gainesville, Florida 32611, U.S.A. and Landau Institute for Theoretical Physics, Moscow, Russia
2  Corporate Research Laboratories, Eastman Kodak Company Rochester, New York 14650-02110, U.S.A.

(Received 8 December 1992, revised 29 June 1993, accepted 22 July 1993)

We present a simple description of configuration and dynamical properties of megabase DNA undergoing gel electrophoresis. The molecule moves in the field in the shape of a self-similar tree-like structure. The electrophoretic mobility of DNA in this regime is independent of its molecular weight.

5.20 - 36.20C - 82.45

© Les Editions de Physique 1993